WO2004078381A1 - マグネシウム系金属薄板の製造方法と製造装置 - Google Patents
マグネシウム系金属薄板の製造方法と製造装置 Download PDFInfo
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- WO2004078381A1 WO2004078381A1 PCT/JP2004/002489 JP2004002489W WO2004078381A1 WO 2004078381 A1 WO2004078381 A1 WO 2004078381A1 JP 2004002489 W JP2004002489 W JP 2004002489W WO 2004078381 A1 WO2004078381 A1 WO 2004078381A1
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- Prior art keywords
- magnesium
- roll
- based metal
- molten metal
- molten
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S164/00—Metal founding
- Y10S164/90—Rheo-casting
Definitions
- the present invention relates to a method and an apparatus for manufacturing a thin sheet of magnesium or an alloy thereof, and more particularly to a method and apparatus for manufacturing a thin sheet of magnesium or an alloy thereof by manufacturing and rolling a magnesium or an alloy thereof.
- Magnesium has abundant resources among metals, and its specific gravity is lighter than that of aluminum iron, so its application as a lightweight component is attracting attention. Although the actual strength of this magnesium is inferior to aluminum and iron, its specific strength is high due to its light weight, and it can be used in place of aluminum for the same strength requirements. Therefore, it is expected to be applied to products requiring light weight such as nursing care products. Magnesium also has excellent electromagnetic shielding properties, so it can prevent electromagnetic noise in electronic equipment, has a high ability to absorb vibration, and has excellent characteristics that can reduce noise.
- magnesium has a strong resistance to deformation and shock, but has the advantage that cutting can be performed easily. In addition, it has a low melting point and excellent recyclability, making it an excellent metal that is suitable for global environmental protection.
- the gap existing inside during the fabrication is crushed, and the gap is reduced or eliminated.
- a magnesium-based metal sheet having no nest inside can be obtained.
- a rolling mill applies compression deformation in the thickness direction at a rolling reduction such that the sheet material does not break.
- the restriction of the rolling reduction in this way means that the plate cannot be deformed to a desired thickness, and it cannot be said that the productivity is good.
- hot rolling or hot extrusion may be considered, but in order to perform hot rolling or hot extrusion, a large amount of heat energy is required. There was a technical problem of consumption and poor productivity.
- the metal slurry is further cooled and rolled to form an integrated slurry.
- a method of using a continuous plate-shaped metal material according to the above-described process is known (see Japanese Patent Application Laid-Open No. 2002-28307).
- the molten magnesium-based metal is supplied into a twin roll to forge, and the solid phase in the molten metal supplied to the twin roll for forming is melted.
- the ratio is high (more than 20%, usually about 50%, it shows typical titazotropy).
- a molten magnesium-based metal in which a solid-liquid phase coexists has a high viscosity. It is easy to solidify in the nozzle that supplies the molten metal to the twin rolls, and there is a high possibility that nozzle clogging will occur. Therefore, even with this method, there was a technical problem that the production yield was low and the productivity was poor. Disclosure of the invention The present invention has been made under the circumstances described above. By continuously performing the forming and the rolling, a heat energy generation step is not required again at the time of rolling, and magnesium or an alloy thereof is formed by plastic working.
- An object of the present invention is to provide a method and an apparatus for manufacturing a magnesium or alloy thin plate thereof, which can efficiently manufacture a thin plate and have excellent productivity. It is another object of the present invention to provide a manufacturing method capable of flexibly responding to a fluctuating production plan by making the manufacturing process and the rolling process non-intermittent.
- a method of manufacturing a thin sheet of magnesium or an alloy thereof according to the present invention (in the following description, magnesium and its alloys are collectively referred to as a magnesium-based metal) is described.
- a method of manufacturing a magnesium-based metal sheet by mirror-making a sheet material using twin rolls and subsequently rolling the same, wherein a molten metal of the magnesium-based metal is supplied between at least a pair of nozzles and a predetermined temperature. Forming a sheet material having a predetermined thickness solidified into a sheet, and applying a pressure to the formed sheet material by at least a pair of rolls, and rolling the sheet material to produce a magnesium-based thin metal sheet having a predetermined thickness. And at least steps.
- the magnesium-based metal sheet is at a temperature suitable for rolling during the rolling process, the sheet is deformed into a thin sheet by applying pressure to the sheet at a desired reduction rate without worrying about breaking. Can be done.
- the temperature at which the molten magnesium-based metal immediately before entering the fabrication step has a solid phase occupying 10% by weight or less in the magnesium-based metal; It is characterized by being in a temperature range 40 ° C. higher than the melting temperature of the magnesium-based metal.
- the magnesium-based metal-solid mixture is rapidly cooled at a rate of 5 ⁇ 10 2 ° C / sec or more before and after the production step.
- the solidification of the molten metal at the molten metal outlet can be prevented, and a plate having a uniform metal structure can be manufactured.
- a magnesium-based metal sheet manufacturing apparatus is an apparatus for manufacturing a magnesium-based metal sheet for manufacturing a magnesium-based metal sheet by melting and rolling a magnesium-based metal.
- mug A molten metal tank for storing a molten metal obtained by melting a nesium-based metal, and a forging roll for drawing the molten metal from the molten metal tank and applying pressure by at least a pair of rolls to form a plate material solidified to a predetermined temperature.
- a rolling roll section for applying pressure to at least one pair of rolls to the fabricated plate material and rolling the rolled roll to produce a magnesium-based thin metal sheet having a predetermined thickness.
- the magnesium-based metal sheet used for the rolling roll is at a temperature suitable for rolling, as in the above-described method of manufacturing a magnesium-based metal sheet, and the desired reduction can be performed without concern for breakage.
- the plate can be deformed into a thin plate by applying pressure. In other words, by utilizing the heat in the structure at the time of forming the sheet material, there is no need to generate heat energy for rolling again, and the magnesium-based metal sheet can be efficiently manufactured.
- the casting roll section includes: a mirror-making lower roll that allows the melt stored in the melt tank to adhere to the roll surface and discharge a bow I to the outside of the melt tank by a rotating force of a mouth; A forming roll which presses the solidified surface of the molten metal drawn out of the melt tank from above with a lowering roll and forms the roll; and a rotational drive for rotating the lowering roll and the upper forming roll, respectively.
- a lower surface of the structure and a surface of the upper surface of the cycling structure each of which has a temperature controllable surface and a gap between the lower surface of the structure and the upper roll. Is desirably configured to be variable. With this configuration, the temperature and thickness suitable for rolling can be freely set for the sheet material to be manufactured, and the sheet material can be formed efficiently.
- an angle formed by an imaginary line connecting a rotation axis of the lower structure roll and a rotation axis of the upper structure roll with a vertical line (this angle is defined as It is preferable that the roll angle can be adjusted. If the angle ⁇ deviates from a certain range, stress remains in the metal structure of the manufactured magnesium-based metal sheet, and the sheet is easily peeled or broken, resulting in poor productivity.
- the angle of the pair of jaws adjustable it is easy to set the optimum conditions when applying to various magnesium-based metals with different compositions or different plate thicknesses. An excellent device can be realized.
- FIG. 1 is a schematic cross-sectional view showing the overall configuration of a magnesium-based sheet metal manufacturing apparatus.
- FIG. 2 is a partial schematic cross-sectional view showing another example of the molten metal supply section of the manufacturing apparatus of the present invention.
- FIG. 3 is an example in which a molten metal supply member is used in the molten metal supply section of the manufacturing apparatus of the present invention.
- FIG. 4 is a side view of an artificial roll part which is a main part of FIG. 1, and
- FIG. 5 is a conceptual view of an artificial roll part according to another embodiment of the present invention.
- FIG. 6 is a partial conceptual view showing another example of the transfer section of the manufacturing apparatus of the present invention, and
- FIG. 7 is a conceptual view of a magnesium-based metal sheet manufacturing apparatus showing another form of the production roll section. It is. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a schematic side view showing the overall configuration of a magnesium-based metal sheet manufacturing apparatus according to one embodiment of the present invention.
- the magnesium-based sheet metal manufacturing apparatus 1 generally includes a molten metal supply section 10, a production roll section 20, a sheet material transport section 30, a roll roll section 40, and a processing section 50.
- the molten metal supply unit 10 is used to supply the magnesium-based metal melted by a melting device (not shown) to a forging roll unit 20 including twin rolls for mirror-making the magnesium-based metal in the magnesium-based metal sheet manufacturing apparatus 1. It consists of a crucible 11 and a melt tank 13.
- the crucible 11 is for storing and storing the molten metal m 0 in a state in which the magnesium-based metal is molten, and for keeping the molten metal at that time, and leading out the molten metal m 0 to the molten metal tank 13. It is configured to be able to.
- the molten metal tank 13 is for storing the molten metal ml, and the molten metal m 1 is formed by a forging roll part 20 from an outlet 13 a formed on one side of the molten metal tank 13. It is configured to be withdrawn.
- the bottom of the molten metal tank 13 may be parallel to the horizontal plane, but is preferably inclined at a predetermined angle with respect to the horizontal plane.
- the angle j3 between the horizontal plane and the bottom of the molten metal tank 13 can be 0 to 45 °. A more preferred angle is 5 to 30 °.
- the forging roll part 20 is a mechanism for forging the magnesium-based metal melt supplied from the previous step into a sheet material between twin rolls at a predetermined temperature. That is, as shown in FIG. 1, the production roll portion 20 is for applying pressure from above and below to the molten metal ml to form a plate m2 having a predetermined thickness and temperature capable of rolling.
- the melt ml drawn from the outlet 13a of the melt tank 13 is composed of at least a pair of rolls, namely, a forging upper roll 21 and a forging lower roll 22 in a rotating state.
- FIG. 4 a detailed description will be given of the configuration of the production roll section 20 which is a main part of the magnesium-based metal sheet manufacturing apparatus 1.
- FIG. 1 is a mechanism forging the magnesium-based metal melt supplied from the previous step into a sheet material between twin rolls at a predetermined temperature. That is, as shown in FIG. 1, the production roll portion 20 is for applying pressure from above and below to the molten metal ml to form a plate
- two columns 202 and 208 are fixedly mounted on a gantry 201.
- An inclined plate 203 is attached to the support column 202 so as to be tiltable about its end, and the roll angle ⁇ shown in FIG. 1 is configured to be adjustable by turning the handle screw 206. . That is, the inclination plate 203 can be tilted by operating the handle screw 206, whereby the roll angle ⁇ is changed.
- a height adjusting portion 207 for the forging roll is provided above the inclined plate 203.
- the height adjustment unit 2007 is connected to a bearing unit 204 that supports the production roll 21.
- the bearing portion 204 is configured to be movable on the inclined plate 203 via a rail portion 205.
- the bearing unit 204 slides on the inclined plate 203 to move up and down, and the forging roll 21 and the forging roll 21 move.
- the distance between the underlaying rolls 22 is adjusted, and the load applied to the plate material during the fabrication is determined.
- the support column 208 supports the underlaying roll 22 via a bearing portion 209.
- the lower production roll 22 is disposed in close proximity to the molten metal outlet of the molten metal tank 13, and the molten metal stored in the molten tank 13 adheres to the surface of the mouth of the lower production roll 22, and its rotation It is configured to be drawn out of the molten metal tank 13 by force. Further, at a position where the lower structure roll 22 and the upper structure roll 21 are closest to each other, a pair of the lower structure roll 22 and the upper structure roll 21 are slid in contact with both end surfaces thereof. Side dams 2 1 and 2 are provided to prevent the molten metal supplied between the lower rolls 22 and the upper rolls 21 from leaking from the end faces of these rolls. It is designed to stop.
- a rotating drive unit (not shown) is connected to each of the upper structure roll 21 and the lower structure roll 22 so as to rotate at a predetermined rotation speed in a direction indicated by an arrow shown in FIG. Have been.
- the molten metal drawn out of the molten metal tank 13 by the rotational force of the lower forming roll 22 has its solidified surface pressed down from above by the mirror upper roll 21. Molded.
- the load applied at this time is preferably in the range of 0.01 to 1.0 kN / mm per unit length in the width direction of the roll. If the load per unit length in the width direction of the roll is less than the above range, not only is it difficult to form a continuous plate material, but also the surface of the generated plate material is roughened, which is not preferable. On the other hand, if the load per unit length in the width direction of the roll exceeds the above range, defects such as peeling occur at the center of the formed sheet material, which is not preferable.
- hoses 210 and 211 are connected to the upper mirror roll 21 and the lower mirror roll 22, respectively, so that a heat medium such as water or oil passes through the hoses, respectively. It is configured to be supplied into the mouth. That is, by adjusting the temperature of the heating medium, the surface of each roll is adjusted to a desired temperature (a temperature at which the sheet material to be formed can maintain its shape up to the rolling roll portion). It is configured so that it can be adjusted by cooling, keeping, or heating to (roll surface temperature). By adopting such a configuration, it is possible to produce a plate material in which the lower roll side surface of the as-fabricated plate material is solidified, while the upper roll side surface is not solidified. Plates with both surfaces solidified and the center unsolidified can also be manufactured.
- a heat medium such as water or oil
- the molding port 21 and the casting port 22 can be formed of an iron-based alloy or copper alloy.
- the rotation of the handle screw 206 is used as a means for adjusting the roll angle ⁇ , which is an angle between the structure upper roll 21 and the structure lower roll 22 .
- a drive mechanism using a hydraulic device may be employed instead.
- the upper roll height adjustment unit 207 which is a means for adjusting the gap between the upper roll 21 and the lower roll 22, is adjusted by a combination of a panel material and a bolt-to-nut device.
- a mechanism may be used, or a known adjusting mechanism such as a hydraulic device may be employed.
- the sheet material transport section 30 is a mechanism for transporting the magnesium-based metal sheet material formed in the previous step to the rolling roll section 40 which is the next step. That is, in the apparatus of the present embodiment shown in FIG. 1, the sheet material m 2 formed by the metal forming roll portion 20 is rolled between the mirror forming roll portion 20 and the rolling roll portion 40.
- a transport device 31 such as a roller conveyor for transporting to the knurl portion 40 is provided.
- this step it is preferable to provide a means for controlling the temperature of the sheet material, which has been relatively high after the production, to a temperature suitable for rolling, in addition to simply conveying the sheet material.
- a heating device or a cooling device such as a heater in the vicinity of the transport device 31 or incorporated in the transport device.
- the rolling roll section 40 is a step of rolling and forming the forged metal sheet material conveyed in the previous step into a thin plate having a predetermined thickness. That is, as can be seen in FIG. 1, which is the present embodiment of FIG. 1, the rolling roll section 40 rolls a sheet material m 2 to form a magnesium-based thin metal sheet m 3, and performs a rotating operation.
- the plate m2 is configured to be rolled by applying pressure from above and below by at least a pair of rolls 41 and 42 in the state.
- the rolling roll is provided with a temperature adjusting mechanism (not shown) so that the roll temperature can be adjusted arbitrarily.
- the processing section 50 is a mechanism for processing the roll-formed thin plate into a required shape in the above-described rolling roll section 40, and includes, for example, shredding, long winding, die cutting, and press forming. Any forming means that can be applied to a sheet metal can be applied.
- FIG. 1 shows an example in which a plate material cutting mechanism is applied as the processing section 50 mechanism. That is, in FIG. 1, the magnesium-based thin metal sheet m 3 rolled and formed to a predetermined thickness at the rolling roll 40 is placed on the support base 53 by the cutting blade 51 and the predetermined thickness. And is mounted on the thin plate mounting table 52.
- the apparatus according to the present embodiment can produce a magnesium-based metal plate-shaped compact from a molten magnesium-based metal in a consistent process at a high speed.
- the most important step in the present invention is a temperature control step of the production roll section 20. If the temperature in this step is high, the temperature after the production In the sheet material, the liquid phase remains in the metal structure and the strength is insufficient. In addition, when the temperature of the production roll is low, the viscosity of the molten metal at the molten metal outlet 14 increases, so that there is a high possibility that the production will become impossible due to clogging. For this reason, it is important to perform an apparatus process for rapidly cooling the molten metal in the process from the molten metal supply section 10 to the production roll section 20.
- the plate material produced by the production roll needs to be strong enough to maintain its shape in the subsequent transport device, but need not be 100% solidified. However, it is preferable that the solidification is not completely solidified since the rolling is performed in the subsequent rolling step.
- the forged and rolled sheet material is not easily separated from the roll surface and is likely to become a defective surface.
- a release agent made of a powder such as carbon is sprayed on the surface of the pallet so that the plate material that has been rolled by rolling is easily separated from the roll surface.
- a release agent such as bonbon is adhered, carbon remains on the surface of the manufactured sheet material, not only deteriorating the appearance of the sheet material, but also causing carbon to adhere to the roll surface.
- the release agent causes carbon on the surface of the sheet material after the production to hinder heat transfer, and reduces the cooling speed, thereby causing a problem that the production efficiency of the thin sheet is reduced.
- such a sheet material having excellent surface smoothness can be manufactured because such a carbon material can be manufactured without using a carbon releasing agent, and the workability is excellent. Not only that, manufacturing costs are reduced, and products of excellent quality can be manufactured.
- the conventional manufacturing speed of the sheet material by forging and rolling of light metal is about 2 to 5 m / min, but the manufacturing apparatus of the above-described embodiment of the present invention According to the apparatus, plate materials can be manufactured at a speed exceeding 5 m / min.
- a device for supplying a magnesium-based molten metal from a crucible 11 to a molten metal tank 13 using a molten metal supply gutter 12 was used.
- 2 and 3 shown in Fig. 2 and Fig. 3 A molten metal supply device having such a structure can be used. 2 and 3, members having the same functions as those in FIG. 1 are denoted by the same reference numerals, and detailed description is omitted.
- the molten metal tank 13 shown in FIG. 2 has a cover 16 that covers the path from the molten metal supply port to the molten metal outlet 14 to prevent a temperature drop during this period and facilitate temperature control. Can be. In addition, it has become.
- a temperature control device such as a heating device or a cooling device is arranged around the molten metal tank 13 to control the temperature of the molten metal supplied to the production roll section 20.
- the molten metal be rectified and introduced into the production roll section.
- a molten metal supply member 15 of a funnel type is used, and the molten metal from the crucible 11 is once injected into the molten metal supply member 15, while the molten metal is straightened into the molten metal tank 13. It is preferable to arrange them so as to shift.
- FIG. 5 is a schematic view of a forged roll portion according to the present embodiment.
- 21 is a structure upper roll
- 22 is a structure lower roll.
- the diameter of the upper structure roll 21 is smaller than that of the lower structure roll 22.
- the molten metal ml is supplied between the structure lower roll 22 and the structure upper roll 21.
- This can be realized by providing a weir plate 16 in contact with the lower roll 22.
- FIG. 6 shows an example in which the velvet conveyor 32 is arranged on the lower surface of the plate material m2 to be conveyed, but the belt conveyor is arranged on the lower surface and the upper surface of the plate material m2 so as to sandwich the plate material. You can also. According to this, it is possible to carry the sheet material m2 without fear of damage.
- the belt conveyor blocks heat dissipation, facilitating temperature control.
- reference numerals 35 and 36 denote temperature control devices such as a heating device or a cooling device, which control the temperature of the sheet material m 2 with high precision to control the temperature of the sheet material in the rolling roll section 40. And enable the production of high quality thin plates.
- magnesium casting and rolling are performed in a consistent process. It can be rolled after being wound into a roll. According to such means, production can be performed more flexibly in production adjustment and the like.
- Manufacturing of a magnesium-based metal sheet using the magnesium-based metal sheet manufacturing apparatus 1 having the configuration shown in FIG. 1 as described above is performed as follows.
- the roll angle ⁇ is set to a predetermined angle by adjusting the handle screw 206.
- the adjusting operation of the upper roll height adjusting section 207 causes the upper roll 21 and the lower roll 22 (thickness of the rolled sheet material) to have a predetermined distance (interval). ) Is set to.
- the knurling surface of the knurling portion 20 is also set to a predetermined temperature in accordance with these settings.
- a magnesium-based metal melted in the crucible 11 is prepared as a molten metal mO. Then, the molten metal m O in the crucible 11 flows on the molten metal supply gutter 12, is cooled to a predetermined temperature that can be rectified and manufactured, and is introduced into the molten metal tank 3 as molten metal ml.
- the molten metal ml is supplied to the molten metal tank 3 up to the height h 2, and then the molten metal tank 1 is pressed from the outlet 14 by the rotating upper roll 21 and the lower mirror roll 2 2 in a rotating state. 3 and is formed as a sheet material m2.
- the sheet material Hi 2 is adjusted to a temperature at which rolling can be performed by at least adjusting the temperature of the pair of roll surfaces.
- the plate material m2 is conveyed to a rolling stirrup portion 40 by a roller conveyor 31 and pressure from above and below is applied by a rolling upper roll 41 and a rolling lower roll 42. m3.
- the magnesium-based metal sheet formed in the fabrication process (the process using the fabrication roll portion 20) is formed and derived in a temperature state capable of rolling. Accordingly, the warm rolling process can be performed as it is, and a magnesium-based metal sheet can be formed.
- the temperature at which rolling can be performed can be set in accordance with the thickness of the sheet material, it is possible to cope with forming thin sheets having various thicknesses.
- the structure roll portion 20 includes a structure upper roll 21, a structure lower roll 22, and a geared motor 62 on a gantry 61.
- the structure upper roll 21 is rotatably fixedly arranged on a gantry 61.
- the lower structure roll 22 is attached to the outlet 14 of the molten metal tank 13.
- the lower structure roll 22 and the molten metal tank 13 are driven by the 1 is configured to be movable in the horizontal direction.
- the upper structure roll 21 and the lower structure roll 22 are provided with a temperature adjustment function (not shown).
- the geared motor 62 drives the forming lower roller 22 and the molten metal tank 13 at an arbitrary position on the gantry 61. To move. That is, by moving the lower structure roll 22 (and the molten metal tank 13), the distance between the lower structure roll 22 and the upper structure roll 21 can be changed, and at the same time, the mirror lower roller 22 and the lower roll 22 can be moved.
- the angle formed with the forming roll 21, that is, the roller angle ⁇ can be changed.
- magnesium alloy composition ⁇ 60
- the gap between the rolls was set to 2 mm
- the roll peripheral speed was 40 m. / min
- the load per unit length in the roll width direction was 0.6 kN / mm. ⁇
- the temperature of the molten metal when introduced into the manufacturing roll was 612 ° C.
- the produced plate is transported using a conveyor belt transport device and rolled by rolling rolls to achieve a plate thickness of 2.
- the surface had a smooth surface without ripple marks, delamination, centerline segregation, or surface irregularities.
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Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04716015A EP1614490B1 (en) | 2003-03-07 | 2004-03-01 | Method and apparatus for producing thin magnesium based alloy plate |
JP2005503022A JPWO2004078381A1 (ja) | 2003-03-07 | 2004-03-01 | マグネシウム系金属薄板の製造方法及び製造装置 |
AU2004218567A AU2004218567B2 (en) | 2003-03-07 | 2004-03-01 | Magnesium metal thin plate manufacturing method and manufacturing apparatus |
US10/548,172 US7661458B2 (en) | 2003-03-07 | 2004-03-01 | Method and apparatus for producing thin magnesium based alloy plate |
DE602004006402T DE602004006402T2 (de) | 2003-03-07 | 2004-03-01 | Verfahren und vorrichtung zur herstellung einer dünnen legierungsplatte auf magnesiumbasis |
HK06107721A HK1087378A1 (en) | 2003-03-07 | 2006-07-10 | Method and apparatus for producing thin magnesium based alloy plate |
US11/757,086 US20080245499A1 (en) | 2003-03-07 | 2007-06-01 | Method and apparatus for producing thin magnesium based alloy plate |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003060801 | 2003-03-07 | ||
JP2003-060801 | 2003-03-07 | ||
JP2003-280796 | 2003-07-28 | ||
JP2003280796A JP3503898B1 (ja) | 2003-03-07 | 2003-07-28 | マグネシウム系金属薄板の製造方法及び製造装置 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10548172 A-371-Of-International | 2004-03-01 | ||
US11/757,086 Division US20080245499A1 (en) | 2003-03-07 | 2007-06-01 | Method and apparatus for producing thin magnesium based alloy plate |
Publications (1)
Publication Number | Publication Date |
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WO2004078381A1 true WO2004078381A1 (ja) | 2004-09-16 |
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ID=32032976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/002489 WO2004078381A1 (ja) | 2003-03-07 | 2004-03-01 | マグネシウム系金属薄板の製造方法と製造装置 |
Country Status (11)
Country | Link |
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US (2) | US7661458B2 (ja) |
EP (1) | EP1614490B1 (ja) |
JP (2) | JP3503898B1 (ja) |
KR (2) | KR100982861B1 (ja) |
CN (1) | CN1758969A (ja) |
AU (1) | AU2004218567B2 (ja) |
DE (1) | DE602004006402T2 (ja) |
HK (1) | HK1087378A1 (ja) |
RU (1) | RU2305021C2 (ja) |
TW (1) | TWI247635B (ja) |
WO (1) | WO2004078381A1 (ja) |
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JP2007237208A (ja) * | 2006-03-07 | 2007-09-20 | Gonda Metal Industry Co Ltd | マグネシウム系金属板材の製造方法、その製造装置、及びマグネシウム系金属化粧板の製造方法 |
JP2007268547A (ja) * | 2006-03-30 | 2007-10-18 | Kobe Steel Ltd | アルミニウム合金鋳造板の製造方法 |
KR100793160B1 (ko) * | 2006-12-21 | 2008-01-10 | 주식회사 포스코 | 마그네슘 압연장치 |
JP2013000798A (ja) * | 2011-06-16 | 2013-01-07 | Santoku Corp | 金属または合金の製造装置 |
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US7661458B2 (en) | 2010-02-16 |
KR20070091239A (ko) | 2007-09-07 |
KR100982861B1 (ko) | 2010-09-16 |
DE602004006402D1 (de) | 2007-06-21 |
KR20050097551A (ko) | 2005-10-07 |
HK1087378A1 (en) | 2006-10-13 |
DE602004006402T2 (de) | 2008-01-31 |
US20080245499A1 (en) | 2008-10-09 |
AU2004218567B2 (en) | 2007-11-22 |
TWI247635B (en) | 2006-01-21 |
EP1614490A4 (en) | 2006-05-17 |
CN1758969A (zh) | 2006-04-12 |
EP1614490A1 (en) | 2006-01-11 |
JPWO2004078381A1 (ja) | 2006-06-08 |
JP2008307542A (ja) | 2008-12-25 |
RU2005127197A (ru) | 2006-02-10 |
JP3503898B1 (ja) | 2004-03-08 |
KR100763120B1 (ko) | 2007-10-04 |
RU2305021C2 (ru) | 2007-08-27 |
EP1614490B1 (en) | 2007-05-09 |
AU2004218567A1 (en) | 2004-09-16 |
TW200502059A (en) | 2005-01-16 |
US20060225862A1 (en) | 2006-10-12 |
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